Dr. S. Kalyanaraman has been deciphering Harappan symbols for a long time and also working on Sarasvati Valley Civilization. In the present talk he talks about the cosmic phenomena of Samudra Manthan or churning of ocean that churned out Amrit and Vish, Health giving herbs, Art and culture and many material products and Sagar Mata, the Himalayas. The Himalayan Rivers that were navigable, provided transport system as well as carried minerals and ores, were Life line of Bharat Varsha. The Sarasvati river basin was the epicentre of Sarasvati-Sindhu Civilization. He explains how due to the course change of Yamuna and Satlaj that fed river Sarasvati, it only survived with rain water as river Ghaggar as mentioned in the Rigvedas.